The Canadian dollar sank against the U.S. dollar early Monday, hitting a new 11-year low as investors capitulated amid a broad selloff in global markets.
These 80 species fall into two groups: baleen and toothed. A type of baleen whale, humpback whales reach up to 50 feet long. Talia Romito and Sophie Webb/Courtesy of NOAA. Called mysticetesâa word derived from the Greek for âmustacheâ and âwhalesââbaleen whales are toothless.
Baleen whales (whales without teeth) are members of the Mysticeti suborder. 1  Toothed whales, like the sperm whale, along with all the dolphins and porpoises, make up the suborder Odontoceti. 2  Altogether, the two suborders contain over eighty known species, further separated into thirteen different families.